board/pn62/pn62.h

   1 /*
   2  * (C) Copyright 2002 Wolfgang Grandegger <wg@denx.de>
   3  *
   4  * See file CREDITS for list of people who contributed to this
   5  * project.
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License as
   9  * published by the Free Software Foundation; either version 2 of
  10  * the License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  20  * MA 02111-1307 USA
  21  */
  22
  23 #ifndef _PN62_H_
  24 #define _PN62_H_
  25
  26 /*
  27  * Definitions for the Intel Bridge 21554 or 21555.
  28  */
  29 #define I2155X_VPD_ADDR         0xe6
  30 #define I2155X_VPD_DATA         0xe8
  31
  32 #define I2155X_VPD_START        0x80
  33 #define I2155X_VPD_SN_START     0x80
  34 #define I2155X_VPD_SN_SIZE      0x10
  35 #define I2155X_VPD_MAC0_START   0x90
  36 #define I2155X_VPD_MAC1_START   0x96
  37
  38 #define I2155X_SCRAPAD_ADDR     0xa8
  39 #define I2155X_SCRAPAD_MAX      8
  40
  41 #define I2155X_BAR2_BASE        0x98
  42 #define I2155X_BAR3_BASE        0x9c
  43 #define I2155X_BAR4_BASE        0xa0
  44
  45 #define I2155X_BAR2_SETUP       0xb0
  46 #define I2155X_BAR3_SETUP       0xb4
  47 #define I2155X_BAR4_SETUP       0xb8
  48
  49 /*
  50  * Interrupt request numbers
  51  */
  52 #define PN62_IRQ_HOST           0x0
  53 #define PN62_IRQ_PLX9054        0x1
  54 #define PN62_IRQ_ETH0           0x2
  55 #define PN62_IRQ_ETH1           0x3
  56 #define PN62_IRQ_COM1           0x4
  57 #define PN62_IRQ_COM2           0x4
  58
  59 /*
  60  * Miscellaneous definitons.
  61  */
  62 #define PN62_SMEM_DEFAULT       0x1f00000
  63
  64 /*
  65  * Definitions for boot protocol using Scratchpad registers.
  66  */
  67 #define BOOT_DONE               0
  68 #define BOOT_DONE_CLEAR           0x00dead00
  69 #define BOOT_DONE_ERROR           0xbad0dead
  70 #define BOOT_DONE_U_BOOT          0x12345678
  71 #define BOOT_DONE_LINUX           0x87654321
  72 #define BOOT_CMD                1
  73 #define BOOT_CMD_MOVE             0x1
  74 #define BOOT_CMD_BOOT             0x2
  75 #define BOOT_DATA               2
  76 #define BOOT_PROTO              3
  77 #define BOOT_PROTO_READY          0x23456789
  78 #define BOOT_PROTO_CLEAR          0x00000000
  79 #define BOOT_STATUS             4
  80
  81 /*
  82  * LED Definitions:
  83  */
  84 #define PN62_LED_BASE           0xff800300
  85 #define PN62_LED_MAX            12
  86
  87 /*
  88  * LED0 - 7 mounted on top of board, D1 - D8
  89  * LED8 - 11 upper four LEDs on the front panel of the board.
  90  */
  91 #define LED_0                   0x00    /* OFF */
  92 #define LED_1                   0x01    /* ON */
  93 #define LED_SLOW_CLOCK          0x02    /* SLOW 1Hz ish */
  94 #define LED_nSLOW_CLOCK         0x03    /* inverse of above */
  95 #define LED_WATCHDOG_OUT        0x06    /* Reset Watchdog level */
  96 #define LED_WATCHDOG_CLOCK      0x07    /* clock to watchdog */
  97
  98 /*
  99  * LED's currently setup in AMD79C973 device as the following:
 100  * LED0 100Mbit
 101  * LED1 LNKSE
 102  * LED2 TX Activity
 103  * LED3 RX Activity
 104  */
 105 #define LED_E0_LED0             0x08    /* Ethernet Port 0 LED 0 */
 106 #define LED_E0_LED1             0x09    /* Ethernet Port 0 LED 1 */
 107 #define LED_E0_LED2             0x0A    /* Ethernet Port 0 LED 2 */
 108 #define LED_E0_LED3             0x0B    /* Ethernet Port 0 LED 3 */
 109 #define LED_E1_LED0             0x0C    /* Ethernet Port 1 LED 0 */
 110 #define LED_E1_LED1             0x0D    /* Ethernet Port 1 LED 1 */
 111 #define LED_E1_LED2             0x0E    /* Ethernet Port 1 LED 2 */
 112 #define LED_E1_LED3             0x0F    /* Ethernet Port 1 LED 3 */
 113 #define LED_STROBE0             0x10    /* Processor Strobe 0 */
 114 #define LED_STROBE1             0x11    /* Processor Strobe 1 */
 115 #define LED_STROBE2             0x12    /* Processor Strobe 2 */
 116 #define LED_STROBE3             0x13    /* Processor Strobe 3 */
 117 #define LED_STROBE4             0x14    /* Processor Strobe 4 */
 118 #define LED_STROBE5             0x15    /* Processor Strobe 5 */
 119 #define LED_STROBE6             0x16    /* Processor Strobe 6 */
 120 #define LED_STROBE7             0x17    /* Processor Strobe 7 */
 121 #define LED_HOST_STROBE0        0x18    /* Host strobe 0 */
 122 #define LED_HOST_STROBE1        0x19    /* Host strobe 1 */
 123 #define LED_HOST_STROBE2        0x1A    /* Host strobe 2 */
 124 #define LED_HOST_STROBE3        0x1B    /* Host strobe 3 */
 125 #define LED_HOST_STROBE4        0x1C    /* Host strobe 4 */
 126 #define LED_HOST_STROBE5        0x1D    /* Host strobe 5 */
 127 #define LED_HOST_STROBE6        0x1E    /* Host strobe 6 */
 128 #define LED_HOST_STROBE7        0x1F    /* Host strobe 7 */
 129 #define LED_MPC_INT0            0x20    /* MPC8240 INT 0 */
 130 #define LED_MPC_INT1            0x21    /* MPC8240 INT 1 */
 131 #define LED_MPC_INT2            0x22    /* MPC8240 INT 2 */
 132 #define LED_MPC_INT3            0x23    /* MPC8240 INT 3 */
 133 #define LED_MPC_INT4            0x24    /* MPC8240 INT 4 */
 134 #define LED_UART0_CS            0x25    /* UART 0 Chip Select */
 135 #define LED_UART1_CS            0x26    /* UART 1 Chip Select */
 136 #define LED_SRAM_CS             0x27    /* SRAM Chip Select */
 137 #define LED_SRAM_WR             0x28    /* SRAM WR Signal */
 138 #define LED_SRAM_RD             0x29    /* SRAM RD Signal */
 139 #define LED_MPC_RCS0            0x2A    /* MPC8240 RCS0 Signal */
 140 #define LED_S_PCI_FRAME         0x2B    /* Secondary PCI Frame Signal */
 141 #define LED_MPC_CS0             0x2C    /* MPC8240 CS0 Signal */
 142 #define LED_HOST_INT            0x2D    /* MPC8240 to Host Interrupt signal */
 143 #define LED_LAST_FUNCTION       LED_HOST_INT    /* last function */
 144
 145 /*
 146  * Forward declarations
 147  */
 148 int  i2155x_init         (void);
 149 void i2155x_write_scrapad(int idx, u32 val);
 150 u32  i2155x_read_scrapad (int idx);
 151 void i2155x_set_bar_base (int bar, u32 addr);
 152 int  i2155x_read_vpd     (int offset, int size, unsigned char *data);
 153
 154 int  am79c95x_init       (void);
 155
 156 void set_led             (unsigned int number, unsigned int function);
 157 void fatal_error         (unsigned int error_code);
 158 void show_startup_phase  (int phase);
 159
 160
 161 #endif /* _PN62_H_ */